Home / 829,221.88-1,243,828.58-323,834.18

Finding the Fourth Proportional to 829,221.88, 1,243,828.58 and 323,834.18

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Solution

The fourth proportional to 829,221.88, 1,243,828.58 and 323,834.18 is: 485,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,221.88 : 1,243,828.58 = 323,834.18 : x
  2. Step 2: Convert to fraction form
    829,221.88/1,243,828.58 = 323,834.18/x
  3. Step 3: Cross multiply
    829,221.88x = 1,243,828.58 × 323,834.18
  4. Step 4: Simplify right side
    829,221.88x = 402,794,208,264.86
  5. Step 5: Solve for x
    x = 402,794,208,264.86/829,221.88
  6. Step 6: Final answer
    x = 485,749.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.